386468129 has 2 divisors, whose sum is σ = 386468130. Its totient is φ = 386468128.

The previous prime is 386468053. The next prime is 386468141. The reversal of 386468129 is 921864683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213598225 + 172869904 = 14615^2 + 13148^2 .

It is an emirp because it is prime and its reverse (921864683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 386468129 - 2²⁰ = 385419553 is a prime.

It is a super-2 number, since 2×386468129² = 298715229465521282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (386468729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193234064 + 193234065.

It is an arithmetic number, because the mean of its divisors is an integer number (193234065).

Almost surely, 2^386468129 is an apocalyptic number.

It is an amenable number.

386468129 is a deficient number, since it is larger than the sum of its proper divisors (1).

386468129 is an equidigital number, since it uses as much as digits as its factorization.

386468129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 47.

The square root of 386468129 is about 19658.7926638438. The cubic root of 386468129 is about 728.4021654121.

The spelling of 386468129 in words is "three hundred eighty-six million, four hundred sixty-eight thousand, one hundred twenty-nine".